I really couldn't care less for the romantic pairings, so whatever. (Except Hikari & Takeru, those 2 have to end together, or else.)
SPOILER FROM PART 3
I really want that the whole loss of memory develops here. I mean, I don't want it to end like "We are best friends, of course we remember all of you!", but I don't think it will be resolved in any other way, sadly.
Now, one thing I'm hyped about, and I believe you too @Digivicemon, is that little frame of Seraphimon's evolution scene.